2026kgw results

Information

Transient
Name:SN2026kgw
Right ascension: 17h39m40.56s
Declination:14d49m02.18s
Discovery Date:April 21, 2026, 10:45 a.m.
Classification:SN Ia
Redshift:0.093000
MW E(B-V):0.082
Host
Name:J173940.45+144900.90
Object ID:9906626997462094
Catalog Name:decals
Catalog Release:dr9
Right ascension: 17h39m40.45s
Declination:14d49m00.90s
Redshift:None
Photometric Redshift:0.096
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_r
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.18
Transient MWEBV processed 0.05
Host match processed 6.67
Host information processed 0.26
Host MWEBV processed 0.15
Global aperture construction processed 0.83
Global aperture photometry processed 5.41
Validate global photometry processed 14.25
Global host SED inference processed 436.23
Local aperture photometry processed 6.55
Validate local photometry processed 0.02
Local host SED inference processed 457.6
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h39m40.56s, 14d49m02.18s
semi major axis, semi minor axis (arcsec):1.16, 1.16
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 49.26 0.51 19.669 0.011 AB
PanSTARRS_i 69.24 0.34 19.299 0.005 AB
PanSTARRS_z 91.51 0.92 18.996 0.011 AB
DES_z 104.48 2.29 18.852 0.024 AB
PanSTARRS_y 111.18 1.76 18.785 0.017 AB

Aperture details

RA, DEC (J2000):17h39m40.41s, 14d49m03.60s
semi major axis, semi minor axis (arcsec):16.35, 5.32
angle (degrees, anti-clockwise from east):-9.56
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 404.11 0.99 17.384 0.003 AB
PanSTARRS_g 413.9 2.43 17.358 0.006 AB
PanSTARRS_r 951.49 2.24 16.454 0.003 AB
DES_r 1049.32 2.48 16.348 0.003 AB
PanSTARRS_z 1925.37 7.21 15.689 0.004 AB
DES_z 2069.51 10.51 15.610 0.006 AB
PanSTARRS_y 2304.0 13.95 15.494 0.007 AB
2MASS_J 3074.88 204.96 14.286 0.072 Vega
2MASS_H 3466.89 332.28 13.683 0.104 Vega
2MASS_K 4598.97 378.39 12.906 0.089 Vega
WISE_W1 1661.4 37.54 13.150 0.025 Vega
WISE_W2 1003.52 34.98 13.057 0.038 Vega
WISE_W3 520.51 107.71 11.935 0.225 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.549 9.732 9.863
{\rm log}_{10}({\rm SFR}) -1.728 -0.724 -0.117
{\rm log}_{10}({\rm sSFR}) -11.403 -10.455 -9.777
{\rm stellar\ age} 3.138 6.668 8.641

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.211 -0.443 -0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.500 -0.691 0.135

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.507 1.015 1.564
\delta -0.339 -0.003 0.268
\tau_1/\tau_2 0.624 1.008 1.367
Q_{PAH} 0.592 2.108 4.864
U_{min} 3.101 8.519 15.897
{\rm log}_{10}(\gamma_e)\, -2.938 -1.458 -0.472

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.096 -1.380 -0.172
{\rm log}_{10}(\tau_{AGN})\, 0.975 1.452 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.149 -0.926 -0.374
0.03-0.10 Gyr -2.046 -0.733 -0.020
0.10-0.33 Gyr -1.798 -0.694 0.064
0.32-1.06 Gyr -3.071 -0.813 0.025
1.06-3.43 Gyr -3.030 -0.815 -0.252
3.43-11.15 Gyr -2.242 -0.636 -0.158
11.15-12.39 Gyr -2.066 -0.497 0.441
0.33-1.06 Gyr -1.806 -0.534 0.077
1.06-3.46 Gyr -2.095 -0.399 -0.010
3.46-11.29 Gyr -1.707 -0.220 0.017
11.29-12.54 Gyr -1.445 -0.200 0.528

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.986 11.044 11.156
{\rm log}_{10}({\rm SFR}) -4.363 -1.524 -0.320
{\rm log}_{10}({\rm sSFR}) -15.632 -12.671 -11.406
{\rm stellar\ age} 7.382 8.997 11.878

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.826 -0.576 -0.394
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.513 -0.673 0.128

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.198 0.329 0.484
\delta -0.814 -0.451 -0.102
\tau_1/\tau_2 0.571 0.976 1.388
Q_{PAH} 0.484 1.494 3.354
U_{min} 3.114 8.875 16.556
{\rm log}_{10}(\gamma_e)\, -2.787 -1.616 -0.982

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.373 -3.419 -2.413
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.514 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.552 -1.857 -0.618
0.03-0.10 Gyr -5.454 -1.748 -0.265
0.10-0.33 Gyr -5.566 -1.846 -0.116
0.32-1.06 Gyr -3.419 -1.118 0.238
1.06-3.43 Gyr -2.332 -0.312 0.787
3.43-11.15 Gyr -0.589 1.236 1.415
11.15-12.39 Gyr 0.873 1.749 2.384
0.33-1.06 Gyr -5.218 -1.922 -0.184
1.06-3.46 Gyr -3.221 -1.152 0.363
3.46-11.29 Gyr -0.901 1.119 1.327
11.29-12.54 Gyr 0.594 1.761 2.301